Across
1
Molten rock beneath Earth surface
2
Absolute temperature scale unit
4
Gas form of a liquid
5
Unit of energy
7
Icy body with a tail near the sun
10
Unit of electric potential
Down
1
Naturally occurring inorganic solid
3
Measure of matter in an object
6
Unit of heredity
8
Tissue that contracts for movement
9
Our home planet
